Wilkinson County Climate
Wilkinson County, Mississippi
Avg Annual Temp
66.3°F
Annual Precip
64.8"
Annual Snowfall
0.1"
Extreme Heat Days
76.9
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Wilkinson County Weather
A Warm and Wet Subtropical Environment
Wilkinson County averages 66.3°F annually, significantly exceeding the national median temperature. This warm climate is paired with 64.8 inches of annual rainfall, placing it among the wetter regions in the United States.
Exceeding the Mississippi State Temperature Average
The county's average temperature of 66.3°F sits nearly 2.5 degrees above the Mississippi state average of 63.9°F. It remains one of the warmer southern entries in the state's climate profile.
Warmer and Wetter Than Regional Neighbors
Wilkinson’s 64.8 inches of precipitation is much higher than the state average of 59.6 inches. While it shares a 66.3°F annual average with Yazoo County, it receives significantly more rain than its neighbors to the north.
Mild Winters and Significant Summer Heat
The county experiences 77 extreme heat days annually where temperatures hit 90°F or higher. Winters are notably mild with a 50.8°F average and a negligible 0.1 inches of typical annual snowfall.
Preparing for Humidity and Heavy Rain
With 64.8 inches of rain, homeowners should prioritize high-capacity gutters and proper site drainage. The 77 days of extreme heat require efficient cooling systems to maintain comfort during the long summer months.
Frequently Asked Questions
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.